The more, the better--this is so true for wow classic players who would like their wow classic tbc gold to be. But only a small part of players have the time to farm TBC Gold and know how to farm wow classic gold more easily. And not everyone knows ways for easy gold either. Thus, a professional farming team came out and we have gold sellers these days.
Buy TBC Gold from gold sellers makes gameplay much easier and funnier. With a little real money, you have the gold in your pocket and can buy anything you want in game. There are so many sellers and time has proved that those sellers, especially gold selling sites, are reliable and safe. (We cannot avoid scammers but you have to distinguish for a little bit. ) Almost 80% of the players have the experience buying wow classic tbc gold. You can see sites such as ssegold.com, you can get 100g for just a few bucks while it could take you days to farm it on your own.
But wow classic tbc gold trade for real money is against the game rule. There is a chance of being punished by Blizzard. So anyone, any site who claims they are lawful or legit is not that true. There is no law about RMT so far so it's not against law but only violated the game rules. You cannot say to buy TBC Gold lawfully or something like that. Always remember you are running a risk and don't blame it all to sellers once your account is suspended or banned.